In one corner of the garden there stands a little board，_______“Keep off the grass．”
| A．On which writes | B．it says |
| C．on which is read | D．which reads |
—I can’t find Mr. Smith. Where did you meet him this morning?
—It was in the hotel ___ he stayed.
| A．that | B．where |
| C．which | D．the one |
—Are you free after school?
—Sorry, I’ve planned to treat a friend of mine to dinner ______ for help.
| A．in order | B．in return | C．in turn | D．in honor |
---How did your students express their thanks to you on Teachers’ Day?
---A gift together with many flowers _______ sent to me.
| A．is | B．are |
| C．was | D．were |
We arrived home at 9:00 in the evening, __________most people had already had supper.
| A．at that time | B．by that time | C．at which time | D．by which time |
This book is said to be a special one, which ___________ many events not found in other history books.
| A．writes | B．covers | C．deals | D．refers |